Fixing ChicagoBy Fred W. Frailey Are railroads ready and willing to repair the nation's rail hub?  Map of the Month: Moving freight through ChicagoBy Bill Metzger Twelve years after the July 2003 Windy City special issue, check out the nation's rail hub now Canyon solitudeBy Scott Lothes Of railroads, rain, and restlessness in Feather River Canyon  SunRail risesBy Jeffrey R. Orenstein Central Florida's new commuter line gains riders despite initial opposition  Roaming locomotivesBy Chris Guss "Horsepower-hour," "free runners," and units often far from home